Line engraving published in Le Monde Illustre 1862, depicting the interior of the Passaic’s gun turret.

Line engraving published in Le Monde Illustre 1862, depicting the interior of the Passaic’s gun turret. Passaic was armed with two large Dahlgren smooth-bore guns: one XI-inch and one XV-inch. Note round shot in the foreground, that at right in a hoisting sling, and turning direction marking on the gun carriage.